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135的特性鉴定及基因组分析，135是一株有前景的二苯并噻吩降解菌株。

Characterization and genomic analysis of 135, a promising dibenzothiophene-degrading strain.

作者信息

Delegan Yanina, Kocharovskaya Yulia, Frantsuzova Ekaterina, Streletskii Rostislav, Vetrova Anna

机构信息

Federal Research Center "Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences", Pushchino, Moscow Region, 142290, Russian Federation.

The Federal State Budget Educational Institution of Higher Education Pushchino State Institute of Natural Science, Pushchino, Moscow Region, 142290, Russian Federation.

出版信息

Biotechnol Rep (Amst). 2021 Jan 16;29:e00591. doi: 10.1016/j.btre.2021.e00591. eCollection 2021 Mar.

DOI:10.1016/j.btre.2021.e00591
PMID:33532248
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7823215/
Abstract

Sulfur is the third most abundant element in crude oil. Up to 70 % of sulfur in petroleum is found in the form of dibenzothiophene (DBT) and substituted DBTs. The aim of this work was to study the physiological, biochemical and genetical characteristics of 135 capable of using DBT as the sole source of sulfur. The genome of 135 consists of a 5,039,827 bp chromosome and a 164,963 bp circular plasmid. We found the absence of dsz operon present in most DBT degrading bacteria, but discovered other genes that are presumably involved in DBT utilization by 135. The strain utilized 45.26 % of DBT within 150 h of growth at 26 °C. This is the first strain of capable of absorbing thiophene sulfur without the aid of the genes.

摘要

硫是原油中含量第三丰富的元素。石油中高达70%的硫以二苯并噻吩（DBT）和取代的二苯并噻吩形式存在。这项工作的目的是研究135株能够将DBT作为唯一硫源利用的菌株的生理、生化和遗传特性。135株的基因组由一条5,039,827 bp的染色体和一个164,963 bp的环状质粒组成。我们发现大多数DBT降解细菌中存在的dsz操纵子在该菌株中缺失，但发现了其他可能参与135株利用DBT的基因。该菌株在26℃生长150小时内利用了45.26%的DBT。这是第一株能够在不借助dsz基因的情况下吸收噻吩硫的菌株。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c807/7823215/6a9945d8bdb7/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c807/7823215/14137a8cee6f/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c807/7823215/a382579f71d9/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c807/7823215/a9f9a2feca9b/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c807/7823215/cd32e887a49c/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c807/7823215/1c4adda46263/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c807/7823215/6a9945d8bdb7/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c807/7823215/14137a8cee6f/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c807/7823215/a382579f71d9/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c807/7823215/a9f9a2feca9b/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c807/7823215/cd32e887a49c/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c807/7823215/1c4adda46263/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c807/7823215/6a9945d8bdb7/gr6.jpg

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